Question

For each exercise draw a circle and inscribe the polygon in the circle.

c. An obtuse triangle.

Short answer

Circle with centre.

Step-by-step solution

Step 1. Given information.    

Circle with centre.

Step 2. Concept used.

An obtuse triangle: It is a triangle whose one angle is obtuse, that is one angle is greater than $90°$.

Step 3. Find possible figure.

First draw a circle with centre O as shown below:

Now, draw an obtuse triangle such that each of its vertexes lies on the circle.

Therefore, this is the required figure.